Base of a thin membrane holder for an electron microscope



FIG. 1 is a front, top and right side perspective view of a base of athin membrane holder for an electron microscope showing our new design;

FIG. 2 is a rear, bottom and right side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a right side elevational view thereof; and,

FIG. 9 is a cross sectional view taken along the lines 9-9 of FIG. 3.

The broken line hatching shown in FIG. 9 represents unclaimed subjectmatter and forms no part of the claimed design.

CLAIM We claim the ornamental design for a base of a thin membraneholder for an electron microscope, as shown and described.